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Description: 第一部分 从网页上精确提取数据
本部分的实例是：下载沪深两市全部约1100家个股的基本信息及财务数据。若用手工操作，如上图所示，需要在股票代码区内分别输入1100个股票代码，在下拉式列表（ComboBox）中分别选择“个股资料”和“财务数据解读”，算下来约是2200次操作！这样的工作当然是由程序来完成划算得多。况且手工提取数据（先选中、再使用Ctrl+C拷贝）极容易出错（多选或漏选），又很费眼神。-The first part from a web page to extract data accurately
Examples of this section is: download the Shanghai and Shenzhen stock 1100 all about the basic information and financial data. If by hand, the above chart, ticker symbol in the region need to enter the stock code 1100, in the drop-down list (ComboBox), respectively, select "Stock Information" and "Interpretation of financial data,"about 2200 operations ! This, of course, is much more cost-effective process to complete. Moreover, manual extraction of data (first selected, and then use Ctrl+ C copy) very easy to make mistakes (or omitted to choose the election), charge very eyes.
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